2.4GHz 36dBm 4000mW WiFi Signal Booster Signal Repeater SH24Gi4000 Wireless Amplifier.The wifi boosters increase the power and the distance to wifi products like routers, access point, IP cameras etc. 2.4G 4W Indoor WiFi Booster SMA is an oudoor solution 4W bi-direction Booster designed for 2.4GHz wireless LANs. This unit comes with an easy plug-and-play installation, which works together with an indoor Wireless Access Point to improve its operation range and performance. In certain conditions the unit is able to double the range of the wireless device.The WiFi amplifier extends signal range and can eliminate the use of an additional radio with its associated data line, power outlet, signal interference, and setup headaches.2.4G 4W Indoor WiFi Booster SMA is an oudoor solution 4W bi-direction Booster designed for 2.4GHz wireless LANs. This unit comes with an easy plug-and-play installation, which works together with an indoor Wireless Access Point to improve its operation range and performance. In certain conditions the unit is able to double the range of the wireless device.The WiFi amplifier extends signal range and can eliminate the use of an additional radio with its associated data line, power outlet, signal interference, and setup headaches.